Also listed on Lumigrow, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jul 24, 2029 · High confidence
20-year base term ends Jul 24, 2029
Held by Signify Holding B.V.
Filed Mar 21, 2016 as application 15/076,579 · Granted Apr 7, 2020
Base term plus 132 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2009
2029
Clock starts
Jul 24, 2009
Jul 24, 2009
Term ends
Jul 24, 2029
Jul 24, 2029
Granted
Apr 7, 2020
Apr 7, 2020
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
132
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 9,310,027, US 9,310,049.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
10
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 132 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 2 maintenance fees is paid so far. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jul 24, 2009, when application 12/509,380, the earliest non-provisional in its chain, was filed (this one was filed Mar 21, 2016) | Jul 24, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +132 days, USPTO patent term adjustment record | Dec 3, 2029 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,310,027, US 9,310,049) | capped to Jul 24, 2029 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 24, 2029 | High confidence |
This family
| US 8,297,782 | In force (reinstated) Jan 2031 | Jan 2031 |
| US 9,310,049 | In force Jul 2029 | Jul 2029 |
| US 9,310,027 | In force Jul 2029 | Jul 2029 |
| US 8,668,350 | Lapsed on the fee record Mar 2022 | Mar 2022 |
| US 10,612,726 | this patent Jul 2029 | Jul 2029 |
| US 10,544,904 | In force Jul 2029 | Jul 2029 |
| Application 16/773,862 | Abandoned not computed | not computed |
| Application 16/822,936 | Abandoned not computed | not computed |
8 of 10 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Aug 10, 2017 Reel 43262, frame 795 | Lumigrow, Inc. | Windsail Credit Fund, L.P., as Administrative Agent | Security Interest |
| Apr 10, 2018 Reel 45498, frame 275 | Wells, Kevin T. | Lumigrow, Inc. | Assignment of Assignor's Interest |
| May 26, 2020 Reel 52753, frame 163 | Lumigrow, Inc. | Windsail Capital Fund, L.p. | Security Interest |
| May 19, 2022 Reel 60119, frame 394 | Windsail Credit Fund, L.p. | Windsail Capital Fund, L.p. | Assignment of Security Interest |
| May 19, 2022 Reel 60119, frame 641 | Windsail Capital Fund, L.P., as Secured Party | Agtech Holdings, Inc. | Foreclosure Sale |
| Sep 27, 2022 Reel 61225, frame 294 | Agtech Holdings, Inc. | Signify Holding B.V. | Assignment of Assignor's Interest |
| Sep 27, 2022 Reel 61225, frame 425 | Windsail Capital Fund, L.p. | Signify Holding B.V. | Release of Security Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jul 2029
Term ends Jul 24, 2029. Maintenance fees still fall due before then
Note
The 132 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 9,310,027, US 9,310,049.
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2020 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.